function Config() {

	var name = 'threejs-editor';

	var storage = {
		'language': 'zh',

		'autosave': true,

		'project/title': '',
		'project/editable': false,
		'project/vr': false,
		'project/renderer/antialias': true,
		'project/renderer/shadows': true,
		'project/renderer/shadowType': 1, // PCF
		'project/renderer/physicallyCorrectLights': false,
		'project/renderer/toneMapping': 0, // NoToneMapping
		'project/renderer/toneMappingExposure': 1,
		'settings/history': false,
		'settings/shortcuts/translate': 'w',
		'settings/shortcuts/rotate': 'e',
		'settings/shortcuts/scale': 'r',
		'settings/shortcuts/undo': 'z',
		'settings/shortcuts/focus': 'f'
	};

	if ( window.localStorage[ name ] === undefined ) {
		window.localStorage[ name ] = JSON.stringify( storage );
	} else {
		var data = JSON.parse( window.localStorage[ name ] );
		for ( var key in data ) {
			storage[ key ] = data[ key ];
		}
	}

	return {
		getKey: function ( key ) {
			return storage[ key ];
		},

		setKey: function () { // key, value, key, value ...
			for ( var i = 0, l = arguments.length; i < l; i += 2 ) {
				storage[ arguments[ i ] ] = arguments[ i + 1 ];
			}
			window.localStorage[ name ] = JSON.stringify( storage );
			console.log( '[' + /\d\d\:\d\d\:\d\d/.exec( new Date() )[ 0 ] + ']', 'Saved config to LocalStorage.' );
		},

		clear: function () {
			delete window.localStorage[ name ];
		}
	};

}

export { Config };
